(Set of 12) 4 oz Mason Jars with Smooth Sides -Easy to Label with Silver Finished Safety Button Lids, Regular Mouth (Set of 12) 4 oz Clear Mason Jars -Easy to Label with Silver Finished Safety Button Lids. The Absence of Shoulders in these Jars Allow for Easy Filling and Easy Scooping! The Smooth Sides of these Little Jelly Jars Make a Favorite Alternative to the Ball Quilted 4oz jars.Easy to Label. Jars Measurements: Size = 4 oz, Height = 2" without lid, Outside Diameter = 2.75", Circumference = 8.25", Label Panel Height = 1" Included are 12 Silver Colored Finished Button Plastisol Regular Mouth Lids.(Hot-Fill Only) Made in USA. Jars Can Be Used in Hot Fill (with Silver Pastistol Lids Included) or Two-Piece Canning Lids (Not Inlcuded). Please Note: Jars Can Be Used for Water Bath Canning with High Heat Lids or Two-Piece Canning Lids.